Event: Wiseman Hurley Open 2022

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Opponent	Rating	Result
Jamie Kumar	1818	0 - 1
Alistair Bond	1666	½ - ½
Tom EC Webb	1680	½ - ½
Peter Mellor	1637	0 - 1
Ben Gannon	1426	½ - ½

performance = (sum(opponents ratings) + 400(wins-losses)) / games

1485 = (8227 + 400 * (0 - 2)) / 5)